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boyob89 boyob89
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8 years ago
An attribute (or combination of attributes) that uniquely identifies each instance of an entity type defines:
A) data element occurrence
B) candidate key
C) trigger
D) gerund
Textbook 
Modern Systems Analysis and Design

Modern Systems Analysis and Design


Edition: 4th
Authors:
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Majoring in Economics, minoring in business
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MartyJayMartyJay
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8 years ago
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boyob89 Author
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#2
8 years ago
finally Slight Smile

thx for your expertise
Majoring in Economics, minoring in business
wrote...
#3
8 years ago
Glad I could help
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